Giant gyrotropy due to electromagnetic-field coupling in a bilayered chiral structure
Giant gyrotropy due to electromagnetic-field coupling in a bilayered chiral structure
We report experimental evidence that electromagnetic coupling between physically separated planar metal patterns located in parallel planes provides for extremely strong polarization rotatory power if one pattern is twisted with respect to the other, creating a chiral object. In terms of a rotary power per sample thickness equal to one wavelength, the bilayered structure rotates 5 orders of magnitude stronger than a gyrotropic crystal of quartz in the visible spectrum.
Rogacheva, A.V.
07e3c6ce-4e4d-4660-87fd-b04e7061b3ee
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Schwanecke, A.S.
ee362335-ee3e-4c26-8035-5c397e10b274
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
27 October 2006
Rogacheva, A.V.
07e3c6ce-4e4d-4660-87fd-b04e7061b3ee
Fedotov, V.A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Schwanecke, A.S.
ee362335-ee3e-4c26-8035-5c397e10b274
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Rogacheva, A.V., Fedotov, V.A., Schwanecke, A.S. and Zheludev, N.I.
(2006)
Giant gyrotropy due to electromagnetic-field coupling in a bilayered chiral structure.
Physical Review Letters, 97 (17), [177401].
(doi:10.1103/PhysRevLett.97.177401).
Abstract
We report experimental evidence that electromagnetic coupling between physically separated planar metal patterns located in parallel planes provides for extremely strong polarization rotatory power if one pattern is twisted with respect to the other, creating a chiral object. In terms of a rotary power per sample thickness equal to one wavelength, the bilayered structure rotates 5 orders of magnitude stronger than a gyrotropic crystal of quartz in the visible spectrum.
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Published date: 27 October 2006
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Local EPrints ID: 48319
URI: http://eprints.soton.ac.uk/id/eprint/48319
ISSN: 0031-9007
PURE UUID: 7b971bbb-b216-49d2-ba83-345a7b70279e
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Date deposited: 11 Sep 2007
Last modified: 16 Mar 2024 02:43
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Author:
A.V. Rogacheva
Author:
V.A. Fedotov
Author:
A.S. Schwanecke
Author:
N.I. Zheludev
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